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Active NPI 1265440101 Individual Practitioner Male Practitioner

Dr. Michael Lee Ditmars , MD

Surgery • Antioch, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Ditmars, MD is a certified Surgery practicing in Antioch, CA. With approximately 33 years of clinical experience since graduating from University Of California, San Francisco School Of Medicine in 1993, Dr. Ditmars delivers high-quality medical care to the local community at 3903 LONE TREE WAY.

Dr. Ditmars is affiliated with Southern California Permanente Medical Group and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

3903 Lone Tree Way
Suite 210

Antioch, CA 945096249

Telephone 9257570800
Fax 9257572160
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

University Of California, San Francisco School Of Medicine

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Antioch, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
33 Yrs +5.7 yrs vs City Avg
City Avg: 27.3 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
8 Specialists

Practicing in Antioch, CA (3346 Statewide)

Telehealth Adoption Rate
12.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ditmars (33 Years) 33 Yrs
Antioch Specialty Average (27.3 Years) 27.3 Yrs

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA G080207

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

Southern California Permanente Medical Group

360 Rush Dr, San Marcos, CA 920787901

Phone: 8335742273

Southern California Permanente Medical Group

4647 Zion Ave, San Diego, CA 921202507

Phone: 6195285000

Southern California Permanente Medical Group

400 Craven Rd, San Marcos, CA 920784201

Phone: 6195285000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

4 Associated Practitioners
NPI 1013013218
Dr. Denise Romero , MD

Orthopaedic Surgery

NPI 1194922542

Doctor of Medicine (M.D.)

NPI 1245320001

Doctor of Medicine (M.D.)

NPI 1770756884

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location December 01, 2021

Registered at 3903 LONE TREE WAY, SUITE 210, ANTIOCH, CA 945096249 (Tel: 9257570800)

📍
Updated Business Mailing Address December 01, 2021

Registered at 3903 LONE TREE WAY, SUITE 210, ANTIOCH, CA 945096249 (Tel: 9257570800)

NPI Profile Active January 02, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location January 02, 2008

Registered at 3903 LONE TREE WAY, SUITE 210, ANTIOCH, CA 945096270 (Tel: 9257570800)

📍
Updated Business Mailing Address January 02, 2008

Registered at 3903 LONE TREE WAY, SUITE 210, ANTIOCH, CA 945096270 (Tel: 9257570800)

👤
Provider Name / Credentials Updated January 02, 2008

Recorded as MICHAEL DITMARS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 02, 2008

Surgery (License #G080207 in CA)

🟢
Initial NPI Registration & Enumeration August 04, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1265440101
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 04, 2006
Last Update: December 01, 2021
Sole Proprietor: No

Mailing Address

3903 Lone Tree Way, Suite 210

Antioch, CA 945096249

Phone: 9257570800

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.